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[Mips] Prefer Twine::utohexstr over utohexstr, saves a string copy.
NFC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238103 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -22,7 +22,6 @@
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#include "MipsTargetMachine.h"
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#include "MipsTargetStreamer.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/CodeGen/MachineFrameInfo.h"
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@ -448,12 +447,12 @@ bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
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case 'X': // hex const int
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if ((MO.getType()) != MachineOperand::MO_Immediate)
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return true;
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O << "0x" << StringRef(utohexstr(MO.getImm())).lower();
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O << "0x" << Twine::utohexstr(MO.getImm());
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return false;
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case 'x': // hex const int (low 16 bits)
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if ((MO.getType()) != MachineOperand::MO_Immediate)
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return true;
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O << "0x" << StringRef(utohexstr(MO.getImm() & 0xffff)).lower();
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O << "0x" << Twine::utohexstr(MO.getImm() & 0xffff);
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return false;
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case 'd': // decimal const int
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if ((MO.getType()) != MachineOperand::MO_Immediate)
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